#CEF5E3
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.8% 0.047 165.7), rgb(206, 245, 227).
Aa
Black text reads best on this color (17.79:1).
About this color
#CEF5E3 is a very light, muted green. In OKLCH its lightness is 94%, its chroma 0.047 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.024 away. Black text reads best on it, at 17.79:1.
| Hue family | Greens |
| Lightness | very light (94%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.79:1 |
| White text | 1.18:1 |
Values
| HEX | #CEF5E3 |
| RGB | rgb(206, 245, 227) |
| HSL | hsl(152, 66%, 88%) |
| OKLCH | oklch(93.8% 0.047 165.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #CEF5E3 | 1.18:1 | Fails | Lc -10.2 | Not readable |
| Black text on #CEF5E3 | 17.79:1 | AAA | Lc 94.9 | Preferred for body text |
| #CEF5E3 text on white | 1.18:1 | Fails | Lc 8.7 | Not readable |
| #CEF5E3 text on black | 17.79:1 | AAA | Lc -95.6 | Preferred for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 100.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100 (this color)
#CEF5E3
oklch(93.8% 0.047 165.7)
-
Step 200
200
#C5E1D4
oklch(88.6% 0.035 165.9)
-
Step 300
300
#9CCEB7
oklch(81% 0.062 165)
-
Step 400
400
#60B492
oklch(70.7% 0.097 165.4)
-
Step 500
500
#1FA178
oklch(63.2% 0.124 165.8)
-
Step 600
600
#008863
oklch(55.6% 0.116 165.8)
-
Step 700
700
#007353
oklch(49.2% 0.103 165.6)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#062E20
oklch(26.9% 0.051 165.1)
#CEF5E3 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #F3EFE2 | 0.047 |
| Deuteranopia (no green cones) | #ECEAE4 | 0.046 |
| Tritanopia (no blue cones) | #C6F5F0 | 0.019 |
| Achromatopsia (no color) | #ECECEC | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF5E3
#CEF5E3
oklch(93.8% 0.047 165.7)
- #FFE0F0
#FFE0F0
oklch(93.7% 0.04 345.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CEF5E3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.024
- Eggshell Blue #C4FFF7 ΔE 0.031
- Pale Aqua #B8FFEB ΔE 0.032
- Light Light Blue #CAFFFB ΔE 0.034
- Ice #D6FFFA ΔE 0.037
- Pale Blue #D0FEFE ΔE 0.037
- Pale Cyan #B7FFFA ΔE 0.037
- Pale Sky Blue #BDF6FE ΔE 0.039
Use #CEF5E3 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.